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STOCK OPTIONS (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Summary of Stock Options And Stock Awards

The status of the Company's stock options is summarized as follows:

			Number of options						Weighted average exercise price
Outstanding at December 31, 2018			3,254,779						$	3.18
Granted			1,379,500						7.70
Exercised			(410,635)						2.99
Canceled and forfeited			(256,785)						4.76
Outstanding at December 31, 2019			3,966,858						$	4.67
Granted			1,376,900						7.94
Exercised			(112,965)						3.37
Canceled and forfeited			(291,850)						7.19
Outstanding at December 31, 2020			4,938,943						$	5.46

Number of Weighted Average Grant-Date Fair Values of Options

			Number of options						Weighted average grant date fair value
Non-vested at December 31, 2019			1,484,929						$	4.11
Granted			1,376,900						4.78
Vested			(665,510)						3.77
Forfeited			(151,850)						4.53
Non-vested at December 31, 2020			2,044,469						$	4.61

Schedule of Option Fair Value Assumptions

Inputs used in the valuation models are as follows:

			2020 Grants												2019 Grants
Option value			$4.98			—			$8.18						$7.15			—			$7.91
Risk-free rate			0.3%			-			1.7%						1.7%			—			2.6%
Expected dividend yield			—%												—%
Expected volatility			65.9%			-			70.1%						64.9%			—			66.4%
Expected term (in years)			6												4.5			-			6

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year.

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